Control valves

Desuperheaters

Dimensions / weights (approximate) in mm and kg

Dimensionally there are two versions available the 'Standard' and the 'L' version for use on larger pipelines of 300 mm.

Please note that the dimensions in brackets ( ) are for the 'L' version.

Weights

VAD a

VAD b

35 kg

70 kg

465

332

(540)

372

352

(580)

(590)

390

*

742

80

158

332

281

* Please note:

This dimension becomes

100 mm when the flange

is greater than 25 mm or

the pressure is greater

than A600 / PN100.

*

†

†

33.5

33.5

60

VAD a

60

† Please note - Nozzles

When installing the VAD into its application the nozzles must face towards the direction of the steam flow. To suit the layout of the

water pipeline, the inlet water flange is available in 4 different locations, please see the orientation diagram below:

Orientation

Steam line

Left

Upstream

Right

Downstream

Water

connection

orientation by

default

TI-P451-01 CH Issue 3

Page 5 of 7

VAD Variable Area Desuperheaters

VAD b

80

281

158

412

(650)

4.8.28